*
 * @param <R> The type of the values that all source providers must share.
 */
public class MergeProvider<R> extends AbstractMinimalProvider<List<R>> {

    private final List<Provider<R>> items;

    public MergeProvider(List<Provider<R>> items) {
        this.items = ImmutableList.copyOf(items);
    }

    @Override
    protected String toStringNoReentrance() {

        given:
        def provider1 = new MergeProvider([providers.provider { "a" }])
        def provider2 = new MergeProvider([providers.provider { "a" }, providers.provider { "b" }])

        expect:
        provider1.get() == ["a"]
        provider2.get() == ["a", "b"]
    }

    def "isPresent is true if all sources are present"() {
        given:
        def provider1 = new MergeProvider([providers.provider { new Object() }])

 * limitations under the License.
 */

package org.gradle.api.provider

import org.gradle.integtests.fixtures.AbstractIntegrationSpec

/**
 * Tests {@link org.gradle.api.internal.provider.MergeProvider}.
 */
class MergeProviderIntegrationTest extends AbstractIntegrationSpec {

    def "carries task dependencies"() {
        buildFile << """
            tasks.register('myTask1', StringTask) {

import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.ExactVersionSelector;
import org.gradle.api.internal.component.SoftwareComponentInternal;
import org.gradle.api.internal.provider.MergeProvider;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.api.provider.Provider;
import org.gradle.api.publish.internal.component.IvyPublishingAwareVariant;

import org.gradle.api.internal.component.SoftwareComponentInternal;
import org.gradle.api.internal.provider.Providers;
import org.gradle.api.internal.provider.MergeProvider;
import org.gradle.api.provider.Provider;
import org.gradle.api.publish.internal.PublicationInternal;
import org.gradle.api.publish.internal.mapping.ComponentDependencyResolver;

import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.MavenVersionSelectorScheme;
import org.gradle.api.internal.component.SoftwareComponentInternal;
import org.gradle.api.internal.provider.MergeProvider;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.api.provider.Provider;
import org.gradle.api.publish.internal.component.MavenPublishingAwareVariant;